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Finding the Fourth Proportional to 6,354.28, 8,767.38 and 4,863.88

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Solution

The fourth proportional to 6,354.28, 8,767.38 and 4,863.88 is: 6,710.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,354.28 : 8,767.38 = 4,863.88 : x
  2. Step 2: Convert to fraction form
    6,354.28/8,767.38 = 4,863.88/x
  3. Step 3: Cross multiply
    6,354.28x = 8,767.38 × 4,863.88
  4. Step 4: Simplify right side
    6,354.28x = 42,643,484.23
  5. Step 5: Solve for x
    x = 42,643,484.23/6,354.28
  6. Step 6: Final answer
    x = 6,710.99

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.